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TWI370339B - Voltage generating apparatus and method - Google Patents

Voltage generating apparatus and method

Info

Publication number
TWI370339B
TWI370339B TW097122660A TW97122660A TWI370339B TW I370339 B TWI370339 B TW I370339B TW 097122660 A TW097122660 A TW 097122660A TW 97122660 A TW97122660 A TW 97122660A TW I370339 B TWI370339 B TW I370339B
Authority
TW
Taiwan
Prior art keywords
generating apparatus
voltage generating
voltage
generating
Prior art date
Application number
TW097122660A
Other languages
Chinese (zh)
Other versions
TW200912590A (en
Inventor
Chung An Hsieh
Cheng Tao Li
Original Assignee
Upi Semiconductor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Upi Semiconductor Corp filed Critical Upi Semiconductor Corp
Publication of TW200912590A publication Critical patent/TW200912590A/en
Application granted granted Critical
Publication of TWI370339B publication Critical patent/TWI370339B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
TW097122660A 2007-09-04 2008-06-18 Voltage generating apparatus and method TWI370339B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96987207P 2007-09-04 2007-09-04

Publications (2)

Publication Number Publication Date
TW200912590A TW200912590A (en) 2009-03-16
TWI370339B true TWI370339B (en) 2012-08-11

Family

ID=40406513

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097122660A TWI370339B (en) 2007-09-04 2008-06-18 Voltage generating apparatus and method

Country Status (2)

Country Link
US (1) US7609114B2 (en)
TW (1) TWI370339B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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TWI514125B (en) * 2013-03-22 2015-12-21 System General Corp Programming methods for power supplies

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US8248152B2 (en) 2009-02-25 2012-08-21 International Business Machines Corporation Switched capacitor voltage converters
US8174288B2 (en) 2009-04-13 2012-05-08 International Business Machines Corporation Voltage conversion and integrated circuits with stacked voltage domains
US9112452B1 (en) 2009-07-14 2015-08-18 Rf Micro Devices, Inc. High-efficiency power supply for a modulated load
JP5333111B2 (en) * 2009-09-18 2013-11-06 ヤマハ株式会社 Amplification equipment
US8276002B2 (en) * 2009-11-23 2012-09-25 International Business Machines Corporation Power delivery in a heterogeneous 3-D stacked apparatus
US8519788B2 (en) 2010-04-19 2013-08-27 Rf Micro Devices, Inc. Boost charge-pump with fractional ratio and offset loop for supply modulation
US8981848B2 (en) 2010-04-19 2015-03-17 Rf Micro Devices, Inc. Programmable delay circuitry
US9431974B2 (en) 2010-04-19 2016-08-30 Qorvo Us, Inc. Pseudo-envelope following feedback delay compensation
EP2782246B1 (en) 2010-04-19 2018-06-13 Qorvo US, Inc. Pseudo-envelope following power management system
US8633766B2 (en) 2010-04-19 2014-01-21 Rf Micro Devices, Inc. Pseudo-envelope follower power management system with high frequency ripple current compensation
US9099961B2 (en) 2010-04-19 2015-08-04 Rf Micro Devices, Inc. Output impedance compensation of a pseudo-envelope follower power management system
US8866549B2 (en) 2010-06-01 2014-10-21 Rf Micro Devices, Inc. Method of power amplifier calibration
US8629705B2 (en) 2010-06-07 2014-01-14 International Business Machines Corporation Low voltage signaling
US8571498B2 (en) 2010-08-25 2013-10-29 Rf Micro Devices, Inc. Multi-mode/multi-band power management system
CN101931375A (en) * 2010-08-26 2010-12-29 成都芯源系统有限公司 Amplifying circuit with high power supply rejection ratio
WO2012047738A1 (en) 2010-09-29 2012-04-12 Rf Micro Devices, Inc. SINGLE μC-BUCKBOOST CONVERTER WITH MULTIPLE REGULATED SUPPLY OUTPUTS
US8782107B2 (en) 2010-11-16 2014-07-15 Rf Micro Devices, Inc. Digital fast CORDIC for envelope tracking generation
US8588713B2 (en) 2011-01-10 2013-11-19 Rf Micro Devices, Inc. Power management system for multi-carriers transmitter
US8611402B2 (en) 2011-02-02 2013-12-17 Rf Micro Devices, Inc. Fast envelope system calibration
WO2012109227A2 (en) 2011-02-07 2012-08-16 Rf Micro Devices, Inc. Group delay calibration method for power amplifier envelope tracking
US8624760B2 (en) 2011-02-07 2014-01-07 Rf Micro Devices, Inc. Apparatuses and methods for rate conversion and fractional delay calculation using a coefficient look up table
US9247496B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power loop control based envelope tracking
US9379667B2 (en) 2011-05-05 2016-06-28 Rf Micro Devices, Inc. Multiple power supply input parallel amplifier based envelope tracking
US9246460B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power management architecture for modulated and constant supply operation
EP2715945B1 (en) 2011-05-31 2017-02-01 Qorvo US, Inc. Rugged iq receiver based rf gain measurements
US9019011B2 (en) 2011-06-01 2015-04-28 Rf Micro Devices, Inc. Method of power amplifier calibration for an envelope tracking system
US8760228B2 (en) 2011-06-24 2014-06-24 Rf Micro Devices, Inc. Differential power management and power amplifier architecture
WO2013012787A2 (en) 2011-07-15 2013-01-24 Rf Micro Devices, Inc. Modified switching ripple for envelope tracking system
US8626091B2 (en) 2011-07-15 2014-01-07 Rf Micro Devices, Inc. Envelope tracking with variable compression
US8952710B2 (en) 2011-07-15 2015-02-10 Rf Micro Devices, Inc. Pulsed behavior modeling with steady state average conditions
US9263996B2 (en) 2011-07-20 2016-02-16 Rf Micro Devices, Inc. Quasi iso-gain supply voltage function for envelope tracking systems
US8618868B2 (en) 2011-08-17 2013-12-31 Rf Micro Devices, Inc. Single charge-pump buck-boost for providing independent voltages
US8942652B2 (en) 2011-09-02 2015-01-27 Rf Micro Devices, Inc. Split VCC and common VCC power management architecture for envelope tracking
US8957728B2 (en) 2011-10-06 2015-02-17 Rf Micro Devices, Inc. Combined filter and transconductance amplifier
WO2013063387A2 (en) 2011-10-26 2013-05-02 Rf Micro Devices, Inc. Inductance based parallel amplifier phase compensation
US9024688B2 (en) 2011-10-26 2015-05-05 Rf Micro Devices, Inc. Dual parallel amplifier based DC-DC converter
WO2013063364A1 (en) 2011-10-26 2013-05-02 Rf Micro Devices, Inc. Average frequency control of switcher for envelope tracking
US9484797B2 (en) 2011-10-26 2016-11-01 Qorvo Us, Inc. RF switching converter with ripple correction
US9515621B2 (en) 2011-11-30 2016-12-06 Qorvo Us, Inc. Multimode RF amplifier system
US8975959B2 (en) 2011-11-30 2015-03-10 Rf Micro Devices, Inc. Monotonic conversion of RF power amplifier calibration data
US9250643B2 (en) 2011-11-30 2016-02-02 Rf Micro Devices, Inc. Using a switching signal delay to reduce noise from a switching power supply
US8947161B2 (en) 2011-12-01 2015-02-03 Rf Micro Devices, Inc. Linear amplifier power supply modulation for envelope tracking
US9280163B2 (en) 2011-12-01 2016-03-08 Rf Micro Devices, Inc. Average power tracking controller
US9256234B2 (en) 2011-12-01 2016-02-09 Rf Micro Devices, Inc. Voltage offset loop for a switching controller
US9041365B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. Multiple mode RF power converter
US9041364B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. RF power converter
US9494962B2 (en) 2011-12-02 2016-11-15 Rf Micro Devices, Inc. Phase reconfigurable switching power supply
US9813036B2 (en) 2011-12-16 2017-11-07 Qorvo Us, Inc. Dynamic loadline power amplifier with baseband linearization
US9298198B2 (en) 2011-12-28 2016-03-29 Rf Micro Devices, Inc. Noise reduction for envelope tracking
US8981839B2 (en) 2012-06-11 2015-03-17 Rf Micro Devices, Inc. Power source multiplexer
CN104662792B (en) 2012-07-26 2017-08-08 Qorvo美国公司 Programmable RF notch filters for envelope-tracking
US9225231B2 (en) 2012-09-14 2015-12-29 Rf Micro Devices, Inc. Open loop ripple cancellation circuit in a DC-DC converter
US9197256B2 (en) 2012-10-08 2015-11-24 Rf Micro Devices, Inc. Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal
WO2014062902A1 (en) 2012-10-18 2014-04-24 Rf Micro Devices, Inc Transitioning from envelope tracking to average power tracking
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WO2014116933A2 (en) 2013-01-24 2014-07-31 Rf Micro Devices, Inc Communications based adjustments of an envelope tracking power supply
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US9479118B2 (en) 2013-04-16 2016-10-25 Rf Micro Devices, Inc. Dual instantaneous envelope tracking
US9374005B2 (en) 2013-08-13 2016-06-21 Rf Micro Devices, Inc. Expanded range DC-DC converter
US9614476B2 (en) 2014-07-01 2017-04-04 Qorvo Us, Inc. Group delay calibration of RF envelope tracking
US9948240B2 (en) 2015-07-01 2018-04-17 Qorvo Us, Inc. Dual-output asynchronous power converter circuitry
US9912297B2 (en) 2015-07-01 2018-03-06 Qorvo Us, Inc. Envelope tracking power converter circuitry
US9973147B2 (en) 2016-05-10 2018-05-15 Qorvo Us, Inc. Envelope tracking power management circuit
US10476437B2 (en) 2018-03-15 2019-11-12 Qorvo Us, Inc. Multimode voltage tracker circuit

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US7061327B2 (en) * 2002-01-24 2006-06-13 Maxim Integrated Products, Inc. Single supply headphone driver/charge pump combination
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI514125B (en) * 2013-03-22 2015-12-21 System General Corp Programming methods for power supplies

Also Published As

Publication number Publication date
TW200912590A (en) 2009-03-16
US20090058533A1 (en) 2009-03-05
US7609114B2 (en) 2009-10-27

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